Most viewed questions under tag hadoop

+2 votes

1 answer

Hadoop: unexpected URISyntaxException

posted Apr 28, 2014 by Tarun Singhal

+1 vote

1 answer

How to set mapreduce.input.fileinputformat.split.maxsize for a specific job ?

posted May 16, 2015 by Sudhakar Singh

+1 vote

1 answer

Time out after 600 for YARN mapreduce application

posted Feb 11, 2015 by anonymous

0 votes

The inter process communication between different nodes in Hadoop uses [MCQ]

posted Nov 30, 2017 by anonymous

+1 vote

1 answer

How to stop a mapreduce job from terminal running on Hadoop Cluster?

posted Apr 11, 2015 by Sudhakar Singh

+1 vote

1 answer

Hadoop vs Ceph and GlusterFS

posted Dec 28, 2013 by Sanketi Garg

+1 vote

1 answer

How to install Snappy for Hadoop

posted Jan 1, 2014 by Deepak Dasgupta

+2 votes

0 answers

How to find min, max and mean of wordcount from text file in hadoop mapreduce?

posted Oct 16, 2015 by Sathish

+8 votes

0 answers

Hadoop native and snappy library?

posted Feb 11, 2014 by Abhay Kulkarni

+2 votes

2 answers

Hadoop: Mounting HDFS on client

posted Dec 20, 2013 by Deepankar Dubey

+3 votes

1 answer

Hadoop-2.2.0 "mapred.child.java.opts"

posted Dec 4, 2013 by Luv Kumar

+1 vote

1 answer

Streaming data access in HDFS: Design Feature

posted Mar 5, 2014 by Abhay Kulkarni

+3 votes

0 answers

How to find execution time of a MapReduce job?

posted May 15, 2015 by Sudhakar Singh

+2 votes

0 answers

Hadoop: got Java.lang.NullPointerException on two node when I restart cluster

posted Mar 17, 2015 by anonymous

+3 votes

2 answers

Unable to compile hadoop source code

posted Jan 7, 2014 by Mandeep Sehgal

+1 vote

1 answer

Hadoop: calling mapreduce from webservice

posted Apr 18, 2014 by Tarun Singhal

+2 votes

0 answers

How to run hive on windows 7?

posted Mar 9, 2015 by anonymous

0 votes

Which demon is responsible for replication of data in Hadoop? [MCQ]

posted Nov 30, 2017 by anonymous

+1 vote

2 answers

How to set hadoop.tmp.dir if I have multiple disks per node?

posted Dec 16, 2013 by Sheetal Chauhan

+1 vote

1 answer

Execute hadoop job remotely and programmatically

posted Dec 9, 2013 by Meenal Mishra

+2 votes

1 answer

How can you overwrite the replication factors in HDFS?

posted Jan 11, 2017 by Jdk

+1 vote

1 answer

hadoop: Is there any way to limit the concurrent running mappers per job?

posted Apr 20, 2015 by Parveen

+1 vote

1 answer

Explain what is JobTracker in Hadoop? What are the actions followed by Hadoop?

posted Nov 18, 2014 by Amit Kumar Pandey

+1 vote

1 answer

What happens when a datanode fails in Hadoop framework?

posted Dec 4, 2014 by Amit Kumar Pandey

+1 vote

1 answer

How we can install Hadoop 1.2.1 on RHEL 7/6/5 or on CentOS?

posted May 7, 2015 by Amit Kumar Pandey

+1 vote

1 answer

How to customize hadoop configuration for a job?

posted Apr 2, 2014 by Tarun Singhal

+1 vote

0 answers

Issue about datanode memory usage with Hadoop?

posted Dec 10, 2013 by Garima Jain

+2 votes

1 answer

Hadoop:Whats the best way to check the compression codec that an HDFS file was written with?

posted Dec 4, 2013 by Luv Kumar

+3 votes

1 answer

Hadoop:Name node and data node replacement

posted Dec 9, 2013 by Satish Mishra

0 votes

1 answer

Can the blocks be broken in HDFS file system?

posted Nov 25, 2015 by anonymous

+2 votes

0 answers

How to set job-priority on a hadoop job

posted Nov 3, 2014 by Arjuna

+1 vote

0 answers

Whenever a client submits a hadoop job, who receives it?

posted Jul 14, 2017 by Karthick.c

+1 vote

1 answer

How to upgrade hadoop from 2.0 to hadoop 2.4.0?

posted Apr 10, 2014 by Jagan Mishra

+1 vote

0 answers

How can I track a job failure on node or list of nodes, using YARN APIs?

posted Apr 6, 2015 by Majula Joshi

+2 votes

0 answers

Hive install under hadoop

posted Apr 14, 2014 by Arjuna

+1 vote

2 answers

Best practice of migrating hadoop 1.0.1 to hadoop 2.2.3

posted Mar 6, 2014 by Amit Mishra

+2 votes

1 answer

Hadoop: Running MapReduce jobs in batch mode on different data sets?

posted Feb 21, 2015 by anonymous

+2 votes

1 answer

What is the process to change the files at arbitrary locations in HDFS?

posted Jan 11, 2017 by Jdk

+1 vote

1 answer

Hadoop YARN 2.2.0 Streaming Memory Limitation?

posted Feb 24, 2014 by Jagan Mishra

+2 votes

1 answer

Does Hadoop/MapReduce have localization feature?

posted Jan 24, 2014 by Amit Mishra

0 votes

1 answer

HDFS: How quickly can I increase the number of replicas?

posted Jun 30, 2014 by Bob Wise

+1 vote

1 answer

What is Job Tracker role in Hadoop?

posted Jul 11, 2017 by Karthick.c

0 votes

The archive file created in Hadoop always has the extension of [MCQ]

posted Nov 30, 2017 by anonymous

+2 votes

2 answers

Estimating the time of hadoop job?

posted Dec 17, 2013 by Sonu Jindal

+2 votes

1 answer

Hadoop: MiniDFSCluster setup

posted Dec 14, 2013 by Sonu Jindal

+1 vote

0 answers

high ulimit for file descriptors in Hadoop?

posted Aug 11, 2014 by Bob Wise

+2 votes

1 answer

How to access value of variable in Driver class which has been declared and modified inside Mapper class?

posted May 12, 2015 by Sudhakar Singh

+1 vote

0 answers

Advantage/disadvantage of dbm vs join vs HBase

posted Jun 7, 2015 by anonymous

+2 votes

1 answer

Hadoop: HDFS short-circuit reads

posted Dec 17, 2013 by Sumit Pokharna

+3 votes

2 answers

Is it possible to access a hadoop 1 file system (hdfs) via the hadoop 2.2.0 command line tools?

posted Feb 1, 2014 by Majula Joshi